EP0883325A3 - Multi-strategie Arrayprozessor - Google Patents
Multi-strategie Arrayprozessor Download PDFInfo
- Publication number
- EP0883325A3 EP0883325A3 EP98304349A EP98304349A EP0883325A3 EP 0883325 A3 EP0883325 A3 EP 0883325A3 EP 98304349 A EP98304349 A EP 98304349A EP 98304349 A EP98304349 A EP 98304349A EP 0883325 A3 EP0883325 A3 EP 0883325A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- noise
- signal
- pair
- coupled
- array
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
- H04R25/40—Arrangements for obtaining a desired directivity characteristic
- H04R25/407—Circuits for combining signals of a plurality of transducers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
- H04R2201/40—Details of arrangements for obtaining desired directional characteristic by combining a number of identical transducers covered by H04R1/40 but not provided for in any of its subgroups
- H04R2201/403—Linear arrays of transducers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2225/00—Details of deaf aids covered by H04R25/00, not provided for in any of its subgroups
- H04R2225/43—Signal processing in hearing aids to enhance the speech intelligibility
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/005—Circuits for transducers, loudspeakers or microphones for combining the signals of two or more microphones
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Neurosurgery (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Circuit For Audible Band Transducer (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AUPO7141A AUPO714197A0 (en) | 1997-06-02 | 1997-06-02 | Multi-strategy array processor |
AUPO714197 | 1997-06-02 | ||
AUPO7141/97 | 1997-06-02 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0883325A2 EP0883325A2 (de) | 1998-12-09 |
EP0883325A3 true EP0883325A3 (de) | 2000-12-27 |
Family
ID=3801432
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98304349A Withdrawn EP0883325A3 (de) | 1997-06-02 | 1998-06-02 | Multi-strategie Arrayprozessor |
Country Status (3)
Country | Link |
---|---|
US (1) | US6603858B1 (de) |
EP (1) | EP0883325A3 (de) |
AU (1) | AUPO714197A0 (de) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ATE335309T1 (de) | 1998-11-13 | 2006-08-15 | Bitwave Private Ltd | Signalverarbeitungsvorrichtung und verfahren |
DE19859171C2 (de) | 1998-12-21 | 2000-11-09 | Implex Hear Tech Ag | Implantierbares Hörgerät mit Tinnitusmaskierer oder Noiser |
EP1017253B1 (de) * | 1998-12-30 | 2012-10-31 | Siemens Corporation | Blind-Trennung von Signalquellen für Hörhilfegeräte |
US20060072768A1 (en) * | 1999-06-24 | 2006-04-06 | Schwartz Stephen R | Complementary-pair equalizer |
EP1410382B1 (de) | 2001-06-28 | 2010-03-17 | Oticon A/S | Verfahren zur rauschverminderung in einem hörgerät und nach einem solchen verfahren funktionierendes hörgerät |
WO2003015459A2 (en) * | 2001-08-10 | 2003-02-20 | Rasmussen Digital Aps | Sound processing system that exhibits arbitrary gradient response |
US7274794B1 (en) * | 2001-08-10 | 2007-09-25 | Sonic Innovations, Inc. | Sound processing system including forward filter that exhibits arbitrary directivity and gradient response in single wave sound environment |
US7346175B2 (en) | 2001-09-12 | 2008-03-18 | Bitwave Private Limited | System and apparatus for speech communication and speech recognition |
EP1435143A2 (de) * | 2001-10-08 | 2004-07-07 | QinetiQ Limited | Signalverabeitungsverfahren und vorrichtung zum bestimmen von antennengewichten |
US7889879B2 (en) | 2002-05-21 | 2011-02-15 | Cochlear Limited | Programmable auditory prosthesis with trainable automatic adaptation to acoustic conditions |
AUPS247002A0 (en) * | 2002-05-21 | 2002-06-13 | Hearworks Pty Ltd | Programmable auditory prosthesis with trainable automatic adaptation to acoustic conditions |
AU2004240216B2 (en) * | 2002-05-21 | 2009-01-15 | Sivantos Pte. Ltd. | Programmable Auditory Prosthesis with Trainable Automatic Adaptation to Acoustic Conditions |
US7623929B1 (en) | 2002-08-30 | 2009-11-24 | Advanced Bionics, Llc | Current sensing coil for cochlear implant data detection |
US8285383B2 (en) * | 2005-07-08 | 2012-10-09 | Cochlear Limited | Directional sound processing in a cochlear implant |
US7697827B2 (en) | 2005-10-17 | 2010-04-13 | Konicek Jeffrey C | User-friendlier interfaces for a camera |
JP5315506B2 (ja) * | 2006-03-22 | 2013-10-16 | ボーン・トーン・コミュニケイションズ・リミテッド | 骨伝導音伝播のための方法及びシステム |
DE102006051071B4 (de) * | 2006-10-30 | 2010-12-16 | Siemens Audiologische Technik Gmbh | Pegelabhängige Geräuschreduktion |
US8605923B2 (en) | 2007-06-20 | 2013-12-10 | Cochlear Limited | Optimizing operational control of a hearing prosthesis |
DE102009012166B4 (de) | 2009-03-06 | 2010-12-16 | Siemens Medical Instruments Pte. Ltd. | Hörvorrichtung und Verfahren zum Reduzieren eines Störgeräuschs für eine Hörvorrichtung |
US8886530B2 (en) * | 2011-06-24 | 2014-11-11 | Honda Motor Co., Ltd. | Displaying text and direction of an utterance combined with an image of a sound source |
CN105142090B (zh) * | 2015-08-24 | 2018-04-13 | 歌尔股份有限公司 | 确定本底噪声测试用供电电源的纹波系数的方法及系统 |
CN112201267B (zh) * | 2020-09-07 | 2024-09-20 | 北京达佳互联信息技术有限公司 | 一种音频处理方法、装置、电子设备及存储介质 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4802227A (en) * | 1987-04-03 | 1989-01-31 | American Telephone And Telegraph Company | Noise reduction processing arrangement for microphone arrays |
US4931977A (en) * | 1987-10-30 | 1990-06-05 | Canadian Marconi Company | Vectorial adaptive filtering apparatus with convergence rate independent of signal parameters |
WO1995034983A1 (en) * | 1994-06-14 | 1995-12-21 | Ab Volvo | Adaptive microphone arrangement and method for adapting to an incoming target-noise signal |
WO1996013096A1 (en) * | 1994-10-24 | 1996-05-02 | Cochlear Limited | Automatic sensitivity control |
US5548681A (en) * | 1991-08-13 | 1996-08-20 | Kabushiki Kaisha Toshiba | Speech dialogue system for realizing improved communication between user and system |
US5574824A (en) * | 1994-04-11 | 1996-11-12 | The United States Of America As Represented By The Secretary Of The Air Force | Analysis/synthesis-based microphone array speech enhancer with variable signal distortion |
GB2306086A (en) * | 1995-10-06 | 1997-04-23 | Richard Morris Trim | Improved adaptive audio systems |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3783192A (en) | 1971-12-30 | 1974-01-01 | Sansui Electric Co | Decoder for use in matrix four-channel system |
GB1458663A (en) | 1972-12-15 | 1976-12-15 | Ard Anstalt | Microphone circuits |
JPS5712999B2 (de) | 1974-04-08 | 1982-03-13 | ||
US4334740A (en) | 1978-09-12 | 1982-06-15 | Polaroid Corporation | Receiving system having pre-selected directional response |
DE3102208C2 (de) | 1980-01-25 | 1983-01-05 | Victor Company Of Japan, Ltd., Yokohama, Kanagawa | Mikrofonsystem mit veränderbarer Richtcharakteristik |
US4412097A (en) | 1980-01-28 | 1983-10-25 | Victor Company Of Japan, Ltd. | Variable-directivity microphone device |
US4498060A (en) | 1981-12-01 | 1985-02-05 | Dolby Ray Milton | Circuit arrangements for modifying dynamic range using series arranged bi-linear circuits |
JPS5933357U (ja) | 1982-08-27 | 1984-03-01 | パイオニア株式会社 | 圧縮伸長装置 |
US4536887A (en) * | 1982-10-18 | 1985-08-20 | Nippon Telegraph & Telephone Public Corporation | Microphone-array apparatus and method for extracting desired signal |
US4898179A (en) | 1985-06-17 | 1990-02-06 | Vladimir Sirota | Device for detecting, monitoring, displaying and recording of material and fetal vital signs and permitting communication between a woman and her fetus |
DE8529437U1 (de) | 1985-10-16 | 1987-06-11 | Siemens AG, 1000 Berlin und 8000 München | Richtmikrofon |
DK159357C (da) | 1988-03-18 | 1991-03-04 | Oticon As | Hoereapparat, navnlig til anbringelse i oeret |
US4956867A (en) * | 1989-04-20 | 1990-09-11 | Massachusetts Institute Of Technology | Adaptive beamforming for noise reduction |
US5033082A (en) | 1989-07-31 | 1991-07-16 | Nelson Industries, Inc. | Communication system with active noise cancellation |
AT407815B (de) | 1990-07-13 | 2001-06-25 | Viennatone Gmbh | Hörgerät |
US5673327A (en) * | 1996-03-04 | 1997-09-30 | Julstrom; Stephen D. | Microphone mixer |
-
1997
- 1997-06-02 AU AUPO7141A patent/AUPO714197A0/en not_active Abandoned
-
1998
- 1998-06-01 US US09/088,694 patent/US6603858B1/en not_active Expired - Fee Related
- 1998-06-02 EP EP98304349A patent/EP0883325A3/de not_active Withdrawn
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4802227A (en) * | 1987-04-03 | 1989-01-31 | American Telephone And Telegraph Company | Noise reduction processing arrangement for microphone arrays |
US4931977A (en) * | 1987-10-30 | 1990-06-05 | Canadian Marconi Company | Vectorial adaptive filtering apparatus with convergence rate independent of signal parameters |
US5548681A (en) * | 1991-08-13 | 1996-08-20 | Kabushiki Kaisha Toshiba | Speech dialogue system for realizing improved communication between user and system |
US5574824A (en) * | 1994-04-11 | 1996-11-12 | The United States Of America As Represented By The Secretary Of The Air Force | Analysis/synthesis-based microphone array speech enhancer with variable signal distortion |
WO1995034983A1 (en) * | 1994-06-14 | 1995-12-21 | Ab Volvo | Adaptive microphone arrangement and method for adapting to an incoming target-noise signal |
WO1996013096A1 (en) * | 1994-10-24 | 1996-05-02 | Cochlear Limited | Automatic sensitivity control |
GB2306086A (en) * | 1995-10-06 | 1997-04-23 | Richard Morris Trim | Improved adaptive audio systems |
Also Published As
Publication number | Publication date |
---|---|
AUPO714197A0 (en) | 1997-06-26 |
US6603858B1 (en) | 2003-08-05 |
EP0883325A2 (de) | 1998-12-09 |
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